THIS WAS ON A 53ST BASKET CASE I BOUGHT. MY GUESS WOULD BE JUST FOR LOOKS LIKE THE GREY HOUND ON THE FRONT FENDER OF THE MUSEUM ONE. ALSO I'VE SEEN SMALL WIRE BUMPERS FOR SALE I THINK WERE BUCO.----- ORIGINAL MESSAGE FOLLOWS -----Just saw a pic on the Wheels Through Time web sight of a model 165 "under the Christmas Tree" on it there is a seat rail on the solo seat. Anyone know if these were an option or was it home made? Thanks.